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Last Modified: 11-27-2007 1.6 J
Service Category: Steering Section: Steering Column
Model Year: 2008 Model: LX570 Doc ID: RM000000YQM00KX
Title: VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: INSPECTION PROCEDURE (2008 LX570)

Steering Wheel is Off-center or Deviates from Neutral Position

INSPECTION PROCEDURE

This problem may be caused by a malfunction in the vehicle stability control system or steering system.

Make sure that no DTC is output for the skid control ECU or steering control ECU before proceeding with the following procedures.

If a DTC is output for either of these ECUs, first troubleshoot it and then proceed to the troubleshooting below.

PROCEDURE

1.

CHECK DRIVE VEHICLE

(a) Drive the vehicle straight at 35 km/h (22 mph) or more for 5 seconds or more.

(b) Turn the steering wheel slowly from left to right several times, and then check if the steering wheel is centered.

Result

Result

Proceed to

The steering wheel is off-center

A

The steering wheel is centered

B

HINT:

If turning the steering wheel quickly while driving at low speeds, the steering angle may differ between the left and right, or the steering wheel may become off-center. However, this is not a malfunction.

A

2.

CHECK TIRE SIZE

(a) Check all the tires.

Result

Result

Proceed to

All tire sizes are correct and tire pressures are normal

A

The size of any of the tires is incorrect

B

All tire sizes are correct, but tire pressures are incorrect

C
A

3.

CHECK WHEEL ALIGNMENT

(a) Check wheel alignment for the front ALIGNMENT / HANDLING DIAGNOSIS: FRONT WHEEL ALIGNMENT: ADJUSTMENT (2008 LX570) .

OK:

The wheel alignment is normal.

HINT:

Adjust the tie-rod ends within the specified values so that the tire angles are the same between the left and right when the steering wheel is turned from lock to lock.

OK